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Power Strokes
7.3 Aftermarket
tuners; transmission control inputs
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[QUOTE="mandkole, post: 1226570, member: 4630"] PM sent Tom-- thank you! Mark, What else could the trans sensors be picking up that would drive the PCM to unlock? You mentioned line pressure-- I wonder if the line pressure is dropping at moments where the PCM wants to protect by unlocking, but then once unlocked it quickly realizes that it should be locked . Ive read that if the PCM is sensing converter slip it could drive it to unlock, or, could this be an issue? My next task is to run it on AE to see converter slip and I may hook a pressure gauge up as well. I think the issues could be mechanical and Im at the very early points of failure. It feels like a trans pulling is in the future. [/QUOTE]
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